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Get pixel dimensions

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Add args to input width and height of the image
This commit is contained in:
Marc-Antoine Lafreniere
2019-02-16 20:16:47 -05:00
parent ef266883ec
commit ff7a860c2d
4 changed files with 62 additions and 8 deletions
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22
pcbdevice/main.py
View File

@@ -1,8 +1,26 @@
from pcbdevice.utils.path import path
from pcbdevice.utils.plotimg import plotPath
from pcbdevice.utils.FileUtils import FileUtils
import argparse
if __name__ == "__main__":
parser = argparse.ArgumentParser(prog = 'main.py')
parser.add_argument('-i', required = True, help = 'PCB image path')
parser.add_argument('-wi', required = True, type = int, help = 'Width of the PCB')
parser.add_argument('-he', required = True, type = int, help = 'Height of the PCB')
parser.add_argument('-u', required = False, help = 'PCB dimension unit')
args = parser.parse_args()
matrix, height, width = FileUtils.pbmToMatrix(args.i)
if args.u:
pxHeight, pxWidth = FileUtils.getPixelSize(height, width, args.he, args.wi, unit = args.u)
else:
pxHeight, pxWidth = FileUtils.getPixelSize(height, width, args.he, args.wi)
print(pxHeight, pxWidth)
# Usage example
resourcesRawPath = 'tests/resources/raw/'
@@ -10,6 +28,6 @@ if __name__ == "__main__":
resourcesPathOutput = 'resources/pathoutput/'
resourcesExpectedPath = 'tests/resources/expected/'
FileUtils.saveMatrixToFile(FileUtils.pbmToCsv(resourcesRawPath + 'test1ascii.pbm'), resourcesFormattedPath + 'test1.csv')
#FileUtils.saveMatrixToFile(FileUtils.pbmToMatrix(resourcesRawPath + 'test1ascii.pbm'), resourcesFormattedPath + 'test1.csv')
plotPath(path(FileUtils.pbmToCsv(resourcesRawPath + 'test100x100.pbm'), 5))
#plotPath(path(FileUtils.pbmToMatrix(resourcesRawPath + 'test100x100.pbm'), 5))

23
pcbdevice/resources/input/square.pbm Normal file
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@@ -0,0 +1,23 @@
P1
# Bob
20 20
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 0 0
0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0
0 0 2 0 1 1 1 1 1 1 1 1 1 1 1 1 0 2 0 0
0 0 2 0 1 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0
0 0 2 0 1 0 2 2 2 2 2 2 2 2 0 1 0 2 0 0
0 0 2 0 1 0 2 0 0 0 0 0 0 2 0 1 0 2 0 0
0 0 2 0 1 0 2 0 0 0 0 0 0 2 0 1 0 2 0 0
0 0 2 0 1 0 2 0 0 0 0 0 0 2 0 1 0 2 0 0
0 0 2 0 1 0 2 0 0 0 0 0 0 2 0 1 0 2 0 0
0 0 2 0 1 0 2 0 0 0 0 0 0 2 0 1 0 2 0 0
0 0 2 0 1 0 2 0 0 0 0 0 0 2 0 1 0 2 0 0
0 0 2 0 1 0 2 0 0 0 0 0 0 2 0 1 0 2 0 0
0 0 2 0 1 0 2 0 0 0 0 0 0 2 0 1 0 2 0 0
0 0 2 0 1 0 2 0 0 0 0 0 0 2 0 1 0 2 0 0
0 0 2 0 1 0 2 2 2 2 2 2 2 2 0 1 0 2 0 0
0 0 2 0 1 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0
0 0 2 0 1 1 1 1 1 1 1 1 1 1 1 1 0 2 0 0
0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0
0 0 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 0 0

4
pcbdevice/tests/utils/test_fileUtils.py
View File

@@ -7,12 +7,12 @@ resources = './pcbdevice/tests/resources/'
class TestFileUtils(TestCase):
def test_pbmToCsv(self):
actual = FileUtils.pbmToCsv(resources + 'raw/test1.pbm')
actual = FileUtils.pbmToMatrix(resources + 'raw/test1.pbm')
expected = TestUtils.readIntFile(resources + 'formatted/test1.csv')
assert actual == expected
def test_saveMatrixToFile(self):
actual = FileUtils.pbmToCsv(resources + 'raw/test1.pbm')
actual = FileUtils.pbmToMatrix(resources + 'raw/test1.pbm')
FileUtils.saveMatrixToFile(actual, resources + 'output/test1.csv')
expected = TestUtils.readIntFile(resources + 'output/test1.csv')
assert actual == expected

19
pcbdevice/utils/FileUtils.py
View File

@@ -2,10 +2,10 @@ import math
class FileUtils:
@staticmethod
def pbmToCsv(pbmFile, dimensionLineIndex = 2):
def pbmToMatrix(pbmFilePath, dimensionLineIndex = 2):
completeFile = []
file = open(pbmFile, 'r')
file = open(pbmFilePath, 'r')
lines = file.readlines()
width, height = (int(val) for val in lines[dimensionLineIndex].split())
file.close()
@@ -18,7 +18,7 @@ class FileUtils:
for index, value in enumerate(completeFile):
matrix[int(math.floor(index / width))][index % width] = value
return matrix
return matrix, height, width
@staticmethod
def saveMatrixToFile(matrix, filePath):
@@ -28,3 +28,16 @@ class FileUtils:
f.write('%s ' % y )
f.write('\n')
f.close()
@staticmethod
def getPixelSize(matHeight, matWidth, pcbHeight, pcbWidth, unit = 'mm'):
if unit == 'mm':
return pcbHeight / matHeight, pcbWidth / matWidth
elif unit == 'cm':
return pcbHeight / matHeight * 10, pcbWidth / matWidth * 10
elif unit == 'm':
return pcbHeight / matHeight * 100, pcbWidth / matWidth * 100
elif unit == 'in':
return pcbHeight / matHeight * 25.4, pcbWidth / matWidth * 25.4
else:
raise RuntimeError('Unit not handle')